<http://webisa.webdatacommons.org/prov/192043281>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/35606690> .
<http://webisa.webdatacommons.org/35606690>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/35606690>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .
<http://webisa.webdatacommons.org/35606690>	<http://www.w3.org/ns/prov#value>	"the included RCTs, there is variation within and between different types of comparisons" .